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0.5
1 cm
Dear Professor Wolf:
0)
With
Frank Sc
o
o
25 and I thank you for the expressions
it contains.
to record tl
Chronograph,'
from a good
this way yci
period of tj
I have no drawing at hand of
clock, hüt I am having some blueprints
for the Allegheny telescope,
clock in every essential. 1
prints to me.
receive this
Professor Max Wolf,
Koenigstuhl Observatory,
Heidelberg, Germany.
December 15, 1926
kind regards, I am]
A few weeks ago I had t:
your son at Cambridge, where I un^
for a
to be
and I
In
it useful to
moving gears
tacts are broken on a
show also the seconds
the same Circuit. In
of any error, and the
to locate promptly where to look
gears.
testing these drivina]
put a break-contact dg
and then
YALE UNIVERSITY OBSERVATORY
NEW HAVEN, CONNECTICUT
the Johannesburg
made of the clock
, which is like the Johannesburg
You need not return these blue-
You will get them about a week after you
letter.
I was very glad to get your letter of November
of good will that
year. He is a fine young f^
proud of him. I sent you m;:
repeat them now.